Aside from the fact that the whole Garden of Eden thing looks like a setup to ensure that man "sinned", man's failure was not the point of the discussion. What Paul meant when he wrote 2 Cor 5:21, is the point. Jesus was sinless and thus is the proper sacrifice, means nothing if Jesus could do anything at all and not sin. You are making my point for me. When Jesus was on Earth as a human, He could not sin because any action, no matter how horrifying or painful to other humans is excused by the fact that He is God. Frankly, I don't see Him as anything at all; I'm agnostic. However, the Bible makes claims that He is subject to many of the same shortcomings that we humans have....jealousy, rage, poor planning, vengeance, ....etc. Which you are using to give Jesus a pass to do whatever He wanted during His time on Earth, despite those actions being sins if done by humans. The result of this is that Jesus couldn't help being sinless because no action performed by Him could be labeled as a sin. His qualification as a "sinless" sacrifice is meaningless.